http://www.nvidia.com/object/winvis..._supported.html
安裝你說的DRIVER 它直接說不支援拉

NV原廠也說
WHQL Certified driver for GeForce 8800, GeForce 7 series, and GeForce 6 series GPUs
Beta driver for NVIDIA SLI™ support for GeForce 8800 GTX/GTS GPUs
This driver supports the following features:
Single GPU support
DirectX 9 support for GeForce 6/7/8 series GPUs
DirectX 10 support for GeForce 8800 GPUs
OpenGL support for GeForce 6/7/8 series GPUs
NVIDIA SLI support
DirectX 9 support for GeForce 8800 GPUs
OpenGL support for GeForce 8800 GPUs
PureVideo HD technology